Packet #13984007 Success

POSITION_APP packet from Meshtastic 0627 (0627) to !ffffffff

15
Total Receptions
15
Unique Gateways
3
Hop Count
28
Payload Bytes
Packet Information
Database ID: 13984007
Mesh Packet ID: 0x15422ab2
Used for correlation across gateways
Timestamp: 2025-10-07 10:00:19 UTC
From Node: Meshtastic 0627 (0627)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: Quass001 ☄️ (Q001)
Channel: MediumSlow
RSSI: Unknown
SNR: Unknown
Hop Info: 3/4 hops
Start: 4, Limit: 1
Payload Data
Protocol: POSITION_APP
Size: 28 bytes
Decoded: Yes
Decoded Data:
Latitude:40.501248°
Longitude:-3.696230°
Altitude:730 m
Precision:13 bits
Raw Packet Analysis
Complete field breakdown and MQTT privacy/exposure analysis
Packet Structure
MQTT Packet Flow:
ServiceEnvelope (MQTT layer) → MeshPacket (Mesh layer) → Decoded Payload (Application data)
Total Size:28 bytes
Gateway:!9e9a932c
Channel:MediumSlow
Payload Type:POSITION_APP
Hop Count:3 / 4
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: MediumSlow
+ 2 more...
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
+ 1 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !9e9a932c
Node ID format
channel_id MediumSlow
packet MeshPacket (28 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 3660252711
Source node ID 		uint32
to 4294967295 (Broadcast)
Visible to all nodes 		uint32
decoded.portnum 3
POSITION_APP 		enum
decoded.payload_length 28 bytes size
hop_limit 1
Remaining hops allowed 		uint32
hop_start 4
Initial hop limit 		uint32
hops_taken 3
Calculated: hop_start - hop_limit 		derived
rx_rssi Not set int32
rx_snr Not set float
rx_time 1759831218
Receive timestamp 		fixed32
via_mqtt False
Direct LoRa transmission 		bool
want_ack False
No ACK requested 		bool
priority 64
Packet priority level 		enum
delayed Not set enum
channel Not set uint32
pki_encrypted False
Standard encryption 		bool
next_hop Not set uint32
relay_node 48
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1759831219.040531
Unix timestamp 		uint32
MQTT Privacy & Exposure Analysis

Analysis of privacy features and exposure risks when packet is shared via MQTT

Exposure Level: Broadcast
Privacy Features:
  • ✓ Direct LoRa transmission (not via MQTT)
  • ✓ Custom channel: MediumSlow
  • ✓ Gateway node ID tracked
  • ✓ Reduced position precision: ~2900.0m accuracy
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Multi-hop path visible (3 hops)
MQTT-Specific Fields
Gateway ID: !9e9a932c
Position Precision: 13 bits (~2900.0m accuracy)
Position precision meters: 2900.0
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:POSITION_APP
Size:28 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "latitude": 40.501248, "longitude": -3.6962304, "altitude": 730, "sats_in_view": null, "precision_bits": 13 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!9e9a932c", "channel_id": "MediumSlow", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 3660252711, "to": 4294967295, "id": 356657842, "rx_time": 1759831218, "rx_snr": 0.0, "rx_rssi": 0, "hop_limit": 1, "hop_start": 4, "via_mqtt": 0, "want_ack": 0, "priority": 64, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 48, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d00002418150000ccfd18da0525b2e4e46828017800800100b8010d", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 405012480, "longitude_i": -36962304, "altitude": 730, "time": 1759831218, "location_source": "LOC_MANUAL", "ground_speed": 0, "ground_track": 0, "precision_bits": 13, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (28 bytes)
0d00002418150000ccfd18da0525b2e4e46828017800800100b8010d
Hex Analysis:
Size:28 bytes
Format:Protobuf (Protocol Buffers)
Encoding:Binary with varint and length-delimited fields
This is the raw protobuf-encoded payload as received from MQTT. The structure follows the Meshtastic protobuf schema definitions.
All Receptions
All gateways that received this packet
Correlation: Using Mesh Packet ID
Reception Locations

Loading reception map...

Map shows gateway locations that received this packet. Hop counts are displayed if available.
Gateway Time Offset RSSI SNR Hops Channel Timestamp Actions
Quass001 ☄️ (Q001) Primary 0.000s
Reference 		Unknown Unknown 3 MediumSlow 2025-10-07 10:00:19 Current
Oxygen EA4HKU (O) -1.954s
Before 		-109.0 dBm -4.25 dB 1 MediumSlow 2025-10-07 10:00:17 View
Venturada2🗼🌐☀️ (Vb2) -1.937s
Before 		-102.0 dBm -5.00 dB 1 MediumSlow 2025-10-07 10:00:17 View
Carbon EA4HKU (C) -1.675s
Before 		-111.0 dBm -1.00 dB 1 MediumSlow 2025-10-07 10:00:17 View
Meshtastic 18a4 (18a4) -1.623s
Before 		-122.0 dBm -10.75 dB 1 MediumSlow 2025-10-07 10:00:17 View
Baldur Fijo (BalF) -1.615s
Before 		-116.0 dBm -11.75 dB 1 MediumSlow 2025-10-07 10:00:17 View
Meshtastic 1760 (1760) -1.370s
Before 		Unknown Unknown 2 MediumSlow 2025-10-07 10:00:17 View
Kenobi23 QTH (5aec) -1.262s
Before 		-99.0 dBm 1.00 dB 1 MediumSlow 2025-10-07 10:00:17 View
GRN1-Base🗼🌐 (GRN1) -1.074s
Before 		-91.0 dBm 3.50 dB 2 MediumSlow 2025-10-07 10:00:17 View
Meshtastic 54a4 Justicia (54a4) -0.639s
Before 		-110.0 dBm -5.75 dB 2 MediumSlow 2025-10-07 10:00:18 View
Quass002 ☄️ (Q002) -0.398s
Before 		-126.0 dBm -16.50 dB 2 MediumSlow 2025-10-07 10:00:18 View
[TLG] 📡🌐🔋🔌 (tlg0) +0.036s
After 		-119.0 dBm -13.00 dB 3 MediumSlow 2025-10-07 10:00:19 View
tizon (Sylv) +0.055s
After 		-97.0 dBm 7.75 dB 2 MediumSlow 2025-10-07 10:00:19 View
Ocumare_Home_📱⚡ (RRN) +0.076s
After 		-93.0 dBm 1.00 dB 2 MediumSlow 2025-10-07 10:00:19 View
Arganda C191 🌐 (ARG) +8088.856s
After 		-124.0 dBm -13.75 dB 1 MediumSlow 2025-10-07 12:15:07 View
15

Total Receptions

15

Unique Gateways